I'm running Mint 13 KDE on a Lenovo S100 netbook.
I have been using this setup for some time now, without any difficulty, i.e. device notifier recognised removeable drives, and they could be opened in file manager.
But today I had some difficulty booting, and had to mess about with boot priorities in BIOS (no UEFI).
Afterwards, I could not mount removeable devices.
In system setting>removeable devices I checked all the boxes above "Device Over-rides", (this setup works on another machine I have with the same Mint 13 KDE), but no device notifier appears in the kicker panel. "show hidden icons" only contains "printer applet".
I had also been trying to get KGpg and Truecrypt working. I had files of each on separate pendrives, and could only manage to mount the drives by going into the managers for KGpg and Truecrypt.
Is there some way to mount removeable devices using command line?
Or any other suggestions would be appreciated.
thanks

i don't have KDE Mint (yet), so this may not be totally relevant, but I had a similar problem with Mint 13 Gnome; I got access by rightclicking and opening as administrator. An error message sometimes says "Cannot access...", but ignore it, it lies, you can!

As I said, I'm not a KDExpert ! In Gnome, when it opens with the Desktop: go to Computer > Places and on the right there's a panel where there's a list of places including USB, CD, etc - external devices and other partitions. Highlight the one you want and rightclick; one of the pop-up menu choices is Open as Administrator. I use this mainly to open other partitions and access their files, but it also allows me to open external devices.

I've used Gnome for years but I'm going to install Mint KDE, to start getting familiar with the KDE environment, so I'll soon find out if this works in KDE!

OK, confession. I've looked at Kubuntu, which is set up on a partition on my computer but I haven't used for some time. I don't need the "Administrator" access option with it, and I can't see how to force the OS to open a device as Administrator/Superuser in Kub - possibly by CLI with experimenting?